Animals
This frog is the world’s smallest known vertebrate
Neither fleas nor toads, Brazilian flea toads are almost flea-sized. These mini frogs are small enough to fit on a pinkie fingernail.
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Neither fleas nor toads, Brazilian flea toads are almost flea-sized. These mini frogs are small enough to fit on a pinkie fingernail.
When looking for research ideas, listen to the people around you. What problems are they facing? What could you do to help?
Your dog is wagging its tail. That must mean it’s happy, right? Maybe not. Scientists know less about what’s behind this behavior than you might think.
Underwater cameras and other instruments investigated why so many pearl octopuses gather here to mate and nest.
Observations of honeybee pollen theft from bumblebees suggest it may be a crime of convenience, based on ease of access to the prized food.
Most cats that play fetch pick up the behavior on their own, a study finds. And those felines tend to dictate when fetching sessions begin and end.
Flying insects may use light to figure out where the sky is. But artificial lights can send them veering off course, high-speed video suggests.
Brain waves and behaviors suggest that reindeer can doze while chewing.
When elongate stilt spiders fall into water, they head for areas that don’t reflect light, studies show. This cue appears to signal dry land.
A vast swath of ocean surrounds Antarctica, hidden under the ice. Here, strange creatures burrow into the dark underbelly of a floating glacier.